You can't 'tone' muscle, so here's what is really happening when you build muscle definition, and why you need to know about ...

Here's what this means for your next workout.

In a seismic shift that has left fitness influencers clutching their meal-prep containers, a new approach to muscle building—maingaining—is challenging decades of dietary chaos. The radical concept ...

Anyone interested in building lean muscle will love this method.

When I think back to my time in high school and college, the message was clear: Going to the gym was for losing weight and becoming smaller. The weight room—and building muscle—was solely for guys. I ...

We live in a muscle-obsessed culture. If you train smart and hard, you don't need to spend every day in the gym, though. Build your upper body with chest presses, rows, lateral raises, bicep curls, ...

Caroline Idiens shares the top reasons women in midlife struggle to make training progress when building muscle, getting ...

Why it holds women back: ‘After menopause, muscle becomes the strongest predictor of metabolic health, bone density, and long-term independence. Weight-loss-focused training can accelerate muscle loss ...

Bodybuilders and men looking to bulk up in the gym have long been the primary consumers of creatine, with women avoiding the supplement in fear of getting too big and looking too muscular. But now, ...

Although creatine is a naturally-occurring compound in the body, more and more people are using powders to enhance their ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Feeling strong and capable after 50 is about much more than just looking fit—it's about building ...